Chemical Properties of Glyoxal (CAS 107-22-2)

InChI

InChI=1S/C2H2O2/c3-1-2-4/h1-2H

InChI Key

LEQAOMBKQFMDFZ-UHFFFAOYSA-N

Formula

C2H2O2

SMILES

O=CC=O

Molecular Weight¹

58.04

CAS

107-22-2

Other Names

• (CHO)2
• 1,2-Ethanedione
• Aerotex glyoxal 40
• Biformal
• Biformyl
• Diformal
• Diformyl
• Ethandial
• Ethane-1,2-dione
• Ethanedial
• Ethanedione
• Glyoxal aldehyde
• Glyoxylaldehyde
• ODIX
• Oxal
• Oxalaldehyde
• Protectol GL 40

• Δ_cH°_gas : Standard gas enthalpy of combustion (kJ/mol).
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• η : Dynamic viscosity (Pa×s).
• EA : Electron affinity (eV).
• Δ_fG° : Standard Gibbs free energy of formation (kJ/mol).
• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_fusH° : Enthalpy of fusion at standard conditions (kJ/mol).
• Δ_vapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
• IE : Ionization energy (eV).
• log₁₀WS : Log10 of Water solubility in mol/l.
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• P_c : Critical Pressure (kPa).
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• V_c : Critical Volume (m³/kmol).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ΔcH°gas	-860.90 ± 0.75	kJ/mol	NIST
EA	0.62 ± 0.26	eV	NIST
ΔfG°	-233.08	kJ/mol	Joback Calculated Property
ΔfH°gas	-212.00 ± 0.79	kJ/mol	NIST
ΔfusH°	5.51	kJ/mol	Joback Calculated Property
ΔvapH°	33.49	kJ/mol	Joback Calculated Property
IE	[9.48; 10.60]	eV
IE	10.20	eV	NIST
IE	10.20	eV	NIST
IE	10.21	eV	NIST
IE	Outlier 9.48 ± 0.08	eV	NIST
IE	10.60 ± 0.05	eV	NIST
IE	10.60	eV	NIST
IE	10.60	eV	NIST
IE	10.52	eV	NIST
log10WS	0.78		Crippen Calculated Property
logPoct/wat	-0.616		Crippen Calculated Property
McVol	42.180	ml/mol	McGowan Calculated Property
Pc	6278.87	kPa	Joback Calculated Property
Tboil	323.60	K	NIST
Tc	525.76	K	Joback Calculated Property
Tfus	196.30	K	Joback Calculated Property
Vc	0.181	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[64.79; 80.54]	J/mol×K	[342.48; 525.76]
Cp,gas	64.79	J/mol×K	342.48	Joback Calculated Property
Cp,gas	67.69	J/mol×K	373.03	Joback Calculated Property
Cp,gas	70.49	J/mol×K	403.57	Joback Calculated Property
Cp,gas	73.17	J/mol×K	434.12	Joback Calculated Property
Cp,gas	75.74	J/mol×K	464.67	Joback Calculated Property
Cp,gas	78.19	J/mol×K	495.21	Joback Calculated Property
Cp,gas	80.54	J/mol×K	525.76	Joback Calculated Property
η	[0.0003403; 0.0023262]	Pa×s	[196.30; 342.48]
η	0.0023262	Pa×s	196.30	Joback Calculated Property
η	0.0014148	Pa×s	220.66	Joback Calculated Property
η	0.0009500	Pa×s	245.03	Joback Calculated Property
η	0.0006855	Pa×s	269.39	Joback Calculated Property
η	0.0005222	Pa×s	293.75	Joback Calculated Property
η	0.0004147	Pa×s	318.12	Joback Calculated Property
η	0.0003403	Pa×s	342.48	Joback Calculated Property

Similar Compounds

Find more compounds similar to Glyoxal.

Sources

• Crippen Method
• Crippen Method
• Joback Method
• KDB
• McGowan Method
• NIST Webbook

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Outlier This icon means that the value is more than 2 standard deviations away from the property mean.